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The United States' first satellite, Explorer 1, is launched into orbit by a Jupiter C rocket at 10:48 p.m. EST, on Jan. 31, 1958. Explorer 1 confirmed existence of high-radiation bands above the Earth's atmosphere. (Courtesy photo by NASA)


Launching With A Legacy -- Weather pioneer returns 60 years after historic mission

The United States' first satellite, Explorer 1, is launched into orbit by a Jupiter C rocket at 10:48 p.m. EST, on Jan. 31, 1958. Explorer 1 confirmed existence of high-radiation bands above the Earth's atmosphere. (Courtesy photo by NASA)

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